Finding the Fourth Proportional to 80,615.13, 111,249.63 and 44,809.08
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Solution
The fourth proportional to 80,615.13, 111,249.63 and 44,809.08 is: 61,836.95
Step by Step Solution
- Step 1: Write the proportion equation
80,615.13 : 111,249.63 = 44,809.08 : x - Step 2: Convert to fraction form
80,615.13/111,249.63 = 44,809.08/x - Step 3: Cross multiply
80,615.13x = 111,249.63 × 44,809.08 - Step 4: Simplify right side
80,615.13x = 4,984,993,570.64 - Step 5: Solve for x
x = 4,984,993,570.64/80,615.13 - Step 6: Final answer
x = 61,836.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.